update tests/unit/test_edge_cases.py

tests/unit/test_edge_cases.py

@@ -0,0 +1,87 @@
+import pytest
+from app.grabber.github_grabber import GitHubGrabber
+from app.grabber.patterns import ProxyPatterns
+from app.models.source import SourceType
+
+
+class TestEdgeCases:
+    @pytest.mark.asyncio
+    async def test_empty_content(self):
+        grabber = GitHubGrabber()
+        proxies = await grabber.parse_content("", SourceType.GENERIC_TEXT)
+
+        assert proxies == []
+
+    @pytest.mark.asyncio
+    async def test_whitespace_only(self):
+        grabber = GitHubGrabber()
+        content = "   \n\n\t\t\n   "
+        proxies = await grabber.parse_content(content, SourceType.GENERIC_TEXT)
+
+        assert proxies == []
+
+    @pytest.mark.asyncio
+    async def test_invalid_ip_format(self):
+        grabber = GitHubGrabber()
+        content = "999.999.999.999:8080\n256.1.1.1:3128"
+        proxies = await grabber.parse_content(content, SourceType.GENERIC_TEXT)
+
+        assert len(proxies) == 0
+
+    @pytest.mark.asyncio
+    async def test_valid_port_range(self):
+        grabber = GitHubGrabber()
+        content = "192.168.1.1:80\n192.168.1.2:443\n192.168.1.3:65535"
+        proxies = await grabber.parse_content(content, SourceType.GENERIC_TEXT)
+
+        assert all(1 <= p.port <= 65535 for p in proxies)
+
+    @pytest.mark.asyncio
+    async def test_duplicate_proxies(self):
+        grabber = GitHubGrabber()
+        content = """
+        192.168.1.1:8080
+        192.168.1.1:8080
+        192.168.1.1:8080
+        """
+        proxies = await grabber.parse_content(content, SourceType.GENERIC_TEXT)
+
+        assert len(proxies) >= 1
+
+    @pytest.mark.asyncio
+    async def test_mixed_line_endings(self):
+        grabber = GitHubGrabber()
+        content = "192.168.1.1:8080\r\n10.0.0.1:3128\n172.16.0.1:9999\r"
+        proxies = await grabber.parse_content(content, SourceType.GENERIC_TEXT)
+
+        assert len(proxies) >= 2
+
+    @pytest.mark.asyncio
+    async def test_comments_and_noise(self):
+        grabber = GitHubGrabber()
+        content = """
+        # This is a comment
+        192.168.1.1:8080
+        // Another comment
+        10.0.0.1:3128
+        """
+        proxies = await grabber.parse_content(content, SourceType.GENERIC_TEXT)
+
+        assert len(proxies) == 2
+
+    def test_ip_validation(self):
+        assert ProxyPatterns.is_valid_ip("192.168.1.1") is True
+        assert ProxyPatterns.is_valid_ip("255.255.255.255") is True
+        assert ProxyPatterns.is_valid_ip("0.0.0.0") is True
+        assert ProxyPatterns.is_valid_ip("256.1.1.1") is False
+        assert ProxyPatterns.is_valid_ip("192.168.1") is False
+        assert ProxyPatterns.is_valid_ip("not.an.ip.address") is False
+
+    def test_port_validation(self):
+        assert ProxyPatterns.is_valid_port(1) is True
+        assert ProxyPatterns.is_valid_port(80) is True
+        assert ProxyPatterns.is_valid_port(443) is True
+        assert ProxyPatterns.is_valid_port(65535) is True
+        assert ProxyPatterns.is_valid_port(0) is False
+        assert ProxyPatterns.is_valid_port(65536) is False
+        assert ProxyPatterns.is_valid_port(-1) is False